Adware.Gexin.2806

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) www.p####.com:80
TCP(HTTP/1.1) 4####.93.54.17:9988
TCP(HTTP/1.1) shetuan####.oss-cn-####.aliy####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) 4####.93.54.17:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
loc.map.b####.com
log.u####.com
o####.map.b####.com
pub-####.qin####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
shetuan####.oss-cn-####.aliy####.com
www.p####.com

HTTP GET requests:

shetuan####.oss-cn-####.aliy####.com/
shetuan####.oss-cn-####.aliy####.com/0bd582ce875aba64d1e2513b4991192f.jpeg
shetuan####.oss-cn-####.aliy####.com/0ff076e75a3400191d4af3ddbae1e6d5.jpeg
shetuan####.oss-cn-####.aliy####.com/1d4d756689b6a40eb2370a0e19deae26.jpeg
shetuan####.oss-cn-####.aliy####.com/8300fe8df4baa8634344d1a26be4a706.jpeg
shetuan####.oss-cn-####.aliy####.com/Upload/shop/adv/05587902586900365.png
shetuan####.oss-cn-####.aliy####.com/Upload/shop/adv/05587904069685713.png
shetuan####.oss-cn-####.aliy####.com/Upload/shop/adv/05629329823251646.png
shetuan####.oss-cn-####.aliy####.com/Upload/shop/adv/05889604709164624.png
shetuan####.oss-cn-####.aliy####.com/Upload/shop/avatar/CAB5458C384BF50B...
shetuan####.oss-cn-####.aliy####.com/b4aa4c1a06d7ddde0e12a14dd05f0c9d.jpeg
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####
www.p####.com/apiv1/sdkstat/install
www.p####.com/apiv1/sdkstat/launch
www.p####.com/apiv1/update/check

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/102bc4f6b4eb
/data/data/####/1537428250981.log
/data/data/####/1537428250981.log.bak (deleted)
/data/data/####/2e196b39fe1684559b472572b1d6b759da7623dcbe089fb....0.tmp
/data/data/####/60a775aab8ca714789414a1e1cda026ca666cb1ed3d207e....0.tmp
/data/data/####/6d36d64c6bbabaa0865fc097845dc44a2f04e0fe1480e66....0.tmp
/data/data/####/707064b94a47b43b94d2cc4567b51a7fe7fb4b58529268b....0.tmp
/data/data/####/a05b0f47c8e31e917b89489f4da706cb18c1dbf73239955....0.tmp
/data/data/####/a37eca1cdc74906351f22415d0e9c42413f707718e92032....0.tmp
/data/data/####/authStatus_com.theaty.shetuan.xml
/data/data/####/authStatus_com.theaty.shetuan;pushservice.xml
/data/data/####/authStatus_com.theaty.shetuan;remote.xml
/data/data/####/b719bf468009bb6a56ddcc9fc5541b6589d9e166d6f3b66....0.tmp
/data/data/####/bdbd645769d0840851a6cf6f8203b0c00334854e73cea95....0.tmp
/data/data/####/d4d0baa0b152cde26e7e21c6ba0d3db9acf3c917113d005....0.tmp
/data/data/####/f9135ef1449a94a645f5999f0e0e9516170c7773c2098b6....0.tmp
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu2133273648.so
/data/data/####/mamidiary_info.xml
/data/data/####/multidex.version.xml
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/pgyersdk.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/umeng_socialize.xml
/data/data/####/umeng_socialize.xml (deleted)
/data/data/####/umeng_socialize.xml.bak
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.theaty.shetuan.bin
/data/media/####/com.theaty.shetuan.db
/data/media/####/conlts.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.notification.MyPushService 24826 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu2133273648.so
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.notification.MyPushService 24826 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_2
getuiext2
libjiagu2133273648
locSDK7a

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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